Cup is made of PLA Food Grade cornstartch-refined material, without BPA, heavy metal or petroleum; It is biodegradable, innoxious, safe and environment protection; The resistant temperature is between -20~110"C; It could be put in the microwave oven; The tea clapboard is designed specially; If there is lemon or much tea, you could put it in the big clapboard, and drink in the small clapboard; You can filter the tea in this way. PLA tea cup with strainer; Capacity: 200 Ml; Product material:PLA Food Grade; Product color: Pink /Blue /White Prodcts Include : 1 PCS X Tea Cup